mc146818rtc: QOM'ify

Introduce type constant and cast macro to obsolete DO_UPCAST().

Prepares for ISA realizefn.

Signed-off-by: Andreas Färber <afaerber@suse.de>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Message-id: 1367093935-29091-9-git-send-email-afaerber@suse.de
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Andreas Färber 2013-04-27 22:18:43 +02:00 committed by Anthony Liguori
parent a2772c70a9
commit 0e41271ec4
2 changed files with 22 additions and 16 deletions

View File

@ -57,8 +57,11 @@
#define RTC_CLOCK_RATE 32768 #define RTC_CLOCK_RATE 32768
#define UIP_HOLD_LENGTH (8 * NSEC_PER_SEC / 32768) #define UIP_HOLD_LENGTH (8 * NSEC_PER_SEC / 32768)
#define MC146818_RTC(obj) OBJECT_CHECK(RTCState, (obj), TYPE_MC146818_RTC)
typedef struct RTCState { typedef struct RTCState {
ISADevice dev; ISADevice parent_obj;
MemoryRegion io; MemoryRegion io;
uint8_t cmos_data[128]; uint8_t cmos_data[128];
uint8_t cmos_index; uint8_t cmos_index;
@ -672,14 +675,14 @@ static uint64_t cmos_ioport_read(void *opaque, hwaddr addr,
void rtc_set_memory(ISADevice *dev, int addr, int val) void rtc_set_memory(ISADevice *dev, int addr, int val)
{ {
RTCState *s = DO_UPCAST(RTCState, dev, dev); RTCState *s = MC146818_RTC(dev);
if (addr >= 0 && addr <= 127) if (addr >= 0 && addr <= 127)
s->cmos_data[addr] = val; s->cmos_data[addr] = val;
} }
static void rtc_set_date_from_host(ISADevice *dev) static void rtc_set_date_from_host(ISADevice *dev)
{ {
RTCState *s = DO_UPCAST(RTCState, dev, dev); RTCState *s = MC146818_RTC(dev);
struct tm tm; struct tm tm;
qemu_get_timedate(&tm, 0); qemu_get_timedate(&tm, 0);
@ -741,7 +744,7 @@ static void rtc_notify_clock_reset(Notifier *notifier, void *data)
RTCState *s = container_of(notifier, RTCState, clock_reset_notifier); RTCState *s = container_of(notifier, RTCState, clock_reset_notifier);
int64_t now = *(int64_t *)data; int64_t now = *(int64_t *)data;
rtc_set_date_from_host(&s->dev); rtc_set_date_from_host(ISA_DEVICE(s));
periodic_timer_update(s, now); periodic_timer_update(s, now);
check_update_timer(s); check_update_timer(s);
#ifdef TARGET_I386 #ifdef TARGET_I386
@ -756,7 +759,7 @@ static void rtc_notify_clock_reset(Notifier *notifier, void *data)
static void rtc_notify_suspend(Notifier *notifier, void *data) static void rtc_notify_suspend(Notifier *notifier, void *data)
{ {
RTCState *s = container_of(notifier, RTCState, suspend_notifier); RTCState *s = container_of(notifier, RTCState, suspend_notifier);
rtc_set_memory(&s->dev, 0xF, 0xFE); rtc_set_memory(ISA_DEVICE(s), 0xF, 0xFE);
} }
static void rtc_reset(void *opaque) static void rtc_reset(void *opaque)
@ -789,8 +792,7 @@ static const MemoryRegionOps cmos_ops = {
static void rtc_get_date(Object *obj, Visitor *v, void *opaque, static void rtc_get_date(Object *obj, Visitor *v, void *opaque,
const char *name, Error **errp) const char *name, Error **errp)
{ {
ISADevice *isa = ISA_DEVICE(obj); RTCState *s = MC146818_RTC(obj);
RTCState *s = DO_UPCAST(RTCState, dev, isa);
struct tm current_tm; struct tm current_tm;
rtc_update_time(s); rtc_update_time(s);
@ -807,7 +809,7 @@ static void rtc_get_date(Object *obj, Visitor *v, void *opaque,
static int rtc_initfn(ISADevice *dev) static int rtc_initfn(ISADevice *dev)
{ {
RTCState *s = DO_UPCAST(RTCState, dev, dev); RTCState *s = MC146818_RTC(dev);
int base = 0x70; int base = 0x70;
s->cmos_data[RTC_REG_A] = 0x26; s->cmos_data[RTC_REG_A] = 0x26;
@ -866,19 +868,21 @@ static int rtc_initfn(ISADevice *dev)
ISADevice *rtc_init(ISABus *bus, int base_year, qemu_irq intercept_irq) ISADevice *rtc_init(ISABus *bus, int base_year, qemu_irq intercept_irq)
{ {
ISADevice *dev; DeviceState *dev;
ISADevice *isadev;
RTCState *s; RTCState *s;
dev = isa_create(bus, "mc146818rtc"); isadev = isa_create(bus, TYPE_MC146818_RTC);
s = DO_UPCAST(RTCState, dev, dev); dev = DEVICE(isadev);
qdev_prop_set_int32(&dev->qdev, "base_year", base_year); s = MC146818_RTC(isadev);
qdev_init_nofail(&dev->qdev); qdev_prop_set_int32(dev, "base_year", base_year);
qdev_init_nofail(dev);
if (intercept_irq) { if (intercept_irq) {
s->irq = intercept_irq; s->irq = intercept_irq;
} else { } else {
isa_init_irq(dev, &s->irq, RTC_ISA_IRQ); isa_init_irq(isadev, &s->irq, RTC_ISA_IRQ);
} }
return dev; return isadev;
} }
static Property mc146818rtc_properties[] = { static Property mc146818rtc_properties[] = {
@ -899,7 +903,7 @@ static void rtc_class_initfn(ObjectClass *klass, void *data)
} }
static const TypeInfo mc146818rtc_info = { static const TypeInfo mc146818rtc_info = {
.name = "mc146818rtc", .name = TYPE_MC146818_RTC,
.parent = TYPE_ISA_DEVICE, .parent = TYPE_ISA_DEVICE,
.instance_size = sizeof(RTCState), .instance_size = sizeof(RTCState),
.class_init = rtc_class_initfn, .class_init = rtc_class_initfn,

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@ -4,6 +4,8 @@
#include "hw/isa/isa.h" #include "hw/isa/isa.h"
#include "hw/timer/mc146818rtc_regs.h" #include "hw/timer/mc146818rtc_regs.h"
#define TYPE_MC146818_RTC "mc146818rtc"
ISADevice *rtc_init(ISABus *bus, int base_year, qemu_irq intercept_irq); ISADevice *rtc_init(ISABus *bus, int base_year, qemu_irq intercept_irq);
void rtc_set_memory(ISADevice *dev, int addr, int val); void rtc_set_memory(ISADevice *dev, int addr, int val);
void rtc_set_date(ISADevice *dev, const struct tm *tm); void rtc_set_date(ISADevice *dev, const struct tm *tm);